IT8447995A1 - PROCEDURE FOR THE PREPARATION OF 1-NAFTOL-4-SULFONIC ACID. - Google Patents

PROCEDURE FOR THE PREPARATION OF 1-NAFTOL-4-SULFONIC ACID.

Info

Publication number
IT8447995A1
IT8447995A1 IT1984A47995A IT4799584A IT8447995A1 IT 8447995 A1 IT8447995 A1 IT 8447995A1 IT 1984A47995 A IT1984A47995 A IT 1984A47995A IT 4799584 A IT4799584 A IT 4799584A IT 8447995 A1 IT8447995 A1 IT 8447995A1
Authority
IT
Italy
Prior art keywords
naftol
procedure
preparation
sulfonic acid
sulfonic
Prior art date
Application number
IT1984A47995A
Other languages
Italian (it)
Other versions
IT8447995A0 (en
IT1199103B (en
Original Assignee
Sandoz Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sandoz Ag filed Critical Sandoz Ag
Publication of IT8447995A0 publication Critical patent/IT8447995A0/en
Publication of IT8447995A1 publication Critical patent/IT8447995A1/en
Application granted granted Critical
Publication of IT1199103B publication Critical patent/IT1199103B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/42—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT8447995A 1983-04-05 1984-04-05 PROCEDURE FOR THE PREPARATION OF 1-NAFTOL-4-SULPHONIC ACID IT1199103B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0118683A ATA118683A (en) 1983-04-05 1983-04-05 METHOD FOR PRODUCING 1-NAPHTHOL-4-SULPHONIC ACID (NEVILE-WINTHER ACID)

Publications (3)

Publication Number Publication Date
IT8447995A0 IT8447995A0 (en) 1984-04-05
IT8447995A1 true IT8447995A1 (en) 1985-10-05
IT1199103B IT1199103B (en) 1988-12-30

Family

ID=3508464

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8447995A IT1199103B (en) 1983-04-05 1984-04-05 PROCEDURE FOR THE PREPARATION OF 1-NAFTOL-4-SULPHONIC ACID

Country Status (7)

Country Link
JP (1) JPS59193864A (en)
AT (1) ATA118683A (en)
CH (1) CH659064A5 (en)
DE (1) DE3411058A1 (en)
FR (1) FR2543948B1 (en)
GB (1) GB2137621B (en)
IT (1) IT1199103B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3661265D1 (en) * 1985-10-09 1988-12-29 Hoechst Ag Single pot process for the production of 2-acetamidonaphthalene-6-sulphonic acid with a high purity
CN1044808C (en) * 1997-04-30 1999-08-25 常州市常宇化工厂 Technology for industrialized production of 1-naphthol-4-sulfonic-acid and sodium salt thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1452481A (en) * 1922-07-27 1923-04-17 British Dyestuffs Corp Ltd Manufacture of 1.4 naphthol sulphonic acid

Also Published As

Publication number Publication date
JPS59193864A (en) 1984-11-02
GB2137621B (en) 1986-10-08
IT8447995A0 (en) 1984-04-05
GB2137621A (en) 1984-10-10
IT1199103B (en) 1988-12-30
CH659064A5 (en) 1986-12-31
FR2543948B1 (en) 1986-11-28
FR2543948A1 (en) 1984-10-12
DE3411058A1 (en) 1984-10-11
ATA118683A (en) 1985-06-15
GB8408448D0 (en) 1984-05-10

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